However, it depends on the trading platform and the price feed, there are systems that show 4 digits (pips) and those that show 5 (pipettes). Our range of calculators includes the Margin Calculator, which works out how much margin is needed to open a position, and the Profit Calculator, which shows the performance of previous trades, factoring in all the fees. He does this by selling the usdjpy so that when the left pair decreases in value, he makes a profit, but when it goes up he makes a loss.